Re: [PATCH v2 1/2] dt-bindings: arm: stm32: add simple-mfd compatible for tamp node

2020-11-10 Thread Ahmad Fatoum
Hello Alex, On 10/27/20 1:15 PM, Rob Herring wrote: > On Mon, Oct 26, 2020 at 4:30 PM Ahmad Fatoum wrote: >> >> Hello Rob, >> >> On 10/26/20 3:36 PM, Rob Herring wrote: >>> On Wed, Oct 21, 2020 at 12:28:55PM +0200, Ahmad Fatoum wrote: The stm32mp1 TAMP (Tamper and backup registers) does tamp

Re: [PATCH v2 1/2] dt-bindings: arm: stm32: add simple-mfd compatible for tamp node

2020-10-27 Thread Rob Herring
On Mon, Oct 26, 2020 at 4:30 PM Ahmad Fatoum wrote: > > Hello Rob, > > On 10/26/20 3:36 PM, Rob Herring wrote: > > On Wed, Oct 21, 2020 at 12:28:55PM +0200, Ahmad Fatoum wrote: > >> The stm32mp1 TAMP (Tamper and backup registers) does tamper detection > >> and features 32 backup registers that, be

Re: [PATCH v2 1/2] dt-bindings: arm: stm32: add simple-mfd compatible for tamp node

2020-10-26 Thread Ahmad Fatoum
Hello Rob, On 10/26/20 3:36 PM, Rob Herring wrote: > On Wed, Oct 21, 2020 at 12:28:55PM +0200, Ahmad Fatoum wrote: >> The stm32mp1 TAMP (Tamper and backup registers) does tamper detection >> and features 32 backup registers that, being in the RTC domain, may >> survive even with Vdd switched off.

Re: [PATCH v2 1/2] dt-bindings: arm: stm32: add simple-mfd compatible for tamp node

2020-10-26 Thread Rob Herring
On Wed, Oct 21, 2020 at 12:28:55PM +0200, Ahmad Fatoum wrote: > The stm32mp1 TAMP (Tamper and backup registers) does tamper detection > and features 32 backup registers that, being in the RTC domain, may > survive even with Vdd switched off. > > This makes it suitable for use to communicate a rebo

[PATCH v2 1/2] dt-bindings: arm: stm32: add simple-mfd compatible for tamp node

2020-10-21 Thread Ahmad Fatoum
The stm32mp1 TAMP (Tamper and backup registers) does tamper detection and features 32 backup registers that, being in the RTC domain, may survive even with Vdd switched off. This makes it suitable for use to communicate a reboot mode from OS to bootloader via the syscon-reboot-mode binding. Add a